1. What happens to the notifications if there's a network partition between Alertmanager instances in the same cluster?
2. Can an alert trigger multiple receivers? What is required for that to happen?
3. What's the difference between group_interval and repeat_interval?
4. What happens if an alert does not match any of the configured routes?
5. If the notification provider you require is not supported natively by Alertmanager, how can you use it?
6. When writing custom notifications, how are CommonLabels and CommonAnnotations populated?
7. What can you do to ensure that the full alerting path is working from end to end?